Home / 6,740.90-10,100.55-4,271.30

Finding the Fourth Proportional to 6,740.90, 10,100.55 and 4,271.30

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Solution

The fourth proportional to 6,740.90, 10,100.55 and 4,271.30 is: 6,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.90 : 10,100.55 = 4,271.30 : x
  2. Step 2: Convert to fraction form
    6,740.90/10,100.55 = 4,271.30/x
  3. Step 3: Cross multiply
    6,740.90x = 10,100.55 × 4,271.30
  4. Step 4: Simplify right side
    6,740.90x = 43,142,479.22
  5. Step 5: Solve for x
    x = 43,142,479.22/6,740.90
  6. Step 6: Final answer
    x = 6,400.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.